540254421526465 has 32 divisors (see below), whose sum is σ = 696972135928320. Its totient is φ = 400729328273664.

The previous prime is 540254421526361. The next prime is 540254421526481. The reversal of 540254421526465 is 564625124452045.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540254421526465 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 119210139 + ... + 123659071.

It is an arithmetic number, because the mean of its divisors is an integer number (21780379247760).

Almost surely, 2^{540254421526465} is an apocalyptic number.

It is an amenable number.

540254421526465 is a deficient number, since it is larger than the sum of its proper divisors (156717714401855).

540254421526465 is a wasteful number, since it uses less digits than its factorization.

540254421526465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4476201.

The product of its (nonzero) digits is 46080000, while the sum is 55.

The spelling of 540254421526465 in words is "five hundred forty trillion, two hundred fifty-four billion, four hundred twenty-one million, five hundred twenty-six thousand, four hundred sixty-five".